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DR. MEGAN MERTESDORF FREEMAN MD
NPI 1548797517
Psychiatry & Neurology - Psychiatry in New York, NY

Active since May 22, 2017PECOS EnrolledAccepts Medicare Assignment
109 W 27TH ST RM 5S, NEW YORK, NY 10001(833) 351-8255(888) 815-3583 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 11, 2025, Jul 28, 2021, Dec 17, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Megan Mertesdorf Freeman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MEGAN MERTESDORF FREEMAN MD (NPI 1548797517) is an individual psychiatry provider in New York, New York, licensed in North Carolina (2021-00491) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Raleigh, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1548797517
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MEGAN MERTESDORF FREEMANCredential: MD
Location Address109 W 27TH ST RM 5SNew York, NY 10001-6208
Mailing Address109 W 27th St Rm 5sNew York, NY 10001-6208 · (833) 351-8255 · Fax (888) 815-3583
Phone(833) 351-8255
Fax(888) 815-3583
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 22, 2017
Last NPPES UpdateApril 11, 20254 updates tracked since enumeration
NPPES CertifiedApril 11, 2025
✔ NPI 1548797517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NC · 2021-00491
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
109 W 27TH ST RM 5S, New York, NY 10001
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Other Names 1

Former Name (1)Dr. Megan Mertesdorf Md

Secondary Practice Location 1

Location 1555 Fayetteville St Ste 201Raleigh, NC 27601-3034 · Phone (833) 351-8255

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Megan Mertesdorf Freeman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749550010
PECOS Enrollment IDI20210803002396
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Megan Freeman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mccd Psychiatry Services PLLC
Same address
Psychiatry
109 W 27TH ST # 5S
New York, NY 10001
  • Reassigned Medicare billing, North Carolina and New York enrollments
  • 16 clinicians in this Medicare group
NPI 1033750823 (917) 634-5311
Alamance Regional Medical Center, Inc.
440 mi
General Acute Care Hospital
1240 HUFFMAN MILL RD
Burlington, NC 27215
  • Reassigned Medicare billing, North Carolina enrollment
  • 384 clinicians in this Medicare group
NPI 1326010273 (336) 538-8400
Mccd Fl Psychiatry Services PA
838 mi
Psychiatry
1301 RIVERPLACE BLVD STE 800
Jacksonville, FL 32207
  • Reassigned Medicare billing, North Carolina enrollment
  • 68 clinicians in this Medicare group
NPI 1659003457 (833) 351-8255

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
89 services15 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
67 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KENNETH ZON MD
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (917) 634-5311
MR. JOSEPH IRWIN FRIEDMAN MD
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (833) 351-8255
DR. SOPHIA ANNA MONSOUR DO
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (833) 351-8255
STEPHANIE NEGREY
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (833) 351-8255
AUSTIN BAILEY DO
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (833) 351-8255
ALEXANDER RICHARDSON MD
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (917) 634-5311
DR. LAURENCE ERIC DOPKIN MD
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (888) 815-3583
DR. NICOLE ANGELA MASNADA D.O.
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
New York County (833) 351-8255

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Megan Freeman's NPI number?

The NPI number for Megan Freeman is 1548797517. It was assigned to this individual provider in the NPPES registry on May 22, 2017. The provider is also known as Dr. Megan Mertesdorf MD.

Where is Megan Freeman located?

Megan Freeman practices at 109 W 27th St Rm 5S, New York, NY 10001. The listed phone number is (833) 351-8255.

What is Megan Freeman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Megan Freeman enrolled in Medicare?

Yes. Megan Freeman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Megan Freeman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Freeman reassigns Medicare benefits to 3 organizations: Mccd Psychiatry Services PLLC (New York, NY), Alamance Regional Medical Center, Inc. (Burlington, NC) and Mccd Fl Psychiatry Services PA (Jacksonville, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Megan Freeman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Megan Freeman accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Megan Freeman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Megan Freeman was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.